U.S. federal trademark · Serial No. 79156338 · Reg. No. 4961932
Separating trays for controlling vapor and liquid flow in heat exchange columns and in material exchange columns, fractionating columns, rectifying columns, extraction columns, gas scrubbers and refining towers
separating trays as installation component parts for separating machines for material exchange columns, synthesis towers, condensation towers, ammonia separation towers, coking units, petroleum refining installations and petrochemical installations
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.